72780499

素因数分解:

${\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1\times {\mathrm{601}}^1$

素因数の和:822

約数の個数: 16

約数和(自身を含む): 81053280

約数和(自身を除く): 8272781

約数列:

[1, 11, 101, 109, 601, 1111, 1199, 6611, 11009, 60701, 65509, 121099, 667711, 720599, 6616409, 72780499]

約数ペア:

[(1, 72780499), (11, 6616409), (101, 720599), (109, 667711), (601, 121099), (1111, 65509), (1199, 60701), (6611, 11009)]